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A189583 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 13
6 26
7 62
8 132
9 274
10 614
11 1315
12 2955
13 6423
14 14058
15 30838
16 67170
17 147553
18 322304
19 706400
20 1546128
21 3382752
22 7408261
23 16208271
24 35489093
25 77672999
26 170021833
27 372181083
28 814611385
29 1783211187
30 3903138418
31 8543748906

[1,1,2,4,13,26,62,132,274,614,1315,2955,6423,
 14058,30838,67170,147553,322304,706400,1546128,
 3382752,7408261,16208271,35489093,77672999,
 170021833,372181083,814611385,1783211187,
 3903138418,8543748906]

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Last modified March 23 23:09 EDT 2023. Contains 361454 sequences. (Running on oeis4.)